Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 10:08
Static task
static1
Behavioral task
behavioral1
Sample
74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe
Resource
win10v2004-20240508-en
General
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Target
74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe
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Size
4.1MB
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MD5
2f07701648e73fca5b935d6a460abcd1
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SHA1
f8fd6b9e2c693389cd73615dffd961f86d66e6db
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SHA256
74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e
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SHA512
e055a9560751ca2e1c7c283fc6cf17302ebfa547b94c7ba62a76b8fc1b688c7362d31680f2c254bed3c370f4483340e14f1c851b1f765b5d0a0658a2eaf8ec8b
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SSDEEP
98304:0M9WoC63Nv9upWzfjPm7fJOO4ZCo8569XPioCQuxIr:PEz6dvWyjPHdCoxxiguxW
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3432-2-0x0000000004F70000-0x000000000585B000-memory.dmp family_glupteba behavioral1/memory/3432-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3432-9-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3432-56-0x0000000004F70000-0x000000000585B000-memory.dmp family_glupteba behavioral1/memory/3432-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3432-54-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/2052-86-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/2052-137-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-165-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-222-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-224-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-235-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-238-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-241-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-244-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-247-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-250-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-253-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral1/memory/3924-256-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 400 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3924 csrss.exe 1876 injector.exe 3568 windefender.exe 4912 windefender.exe -
resource yara_rule behavioral1/files/0x000a00000002335e-227.dat upx behavioral1/memory/3568-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4912-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3568-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4912-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4912-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4912-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe File created C:\Windows\rss\csrss.exe 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4480 sc.exe -
pid Process 2456 powershell.exe 2196 powershell.exe 3224 powershell.exe 4776 powershell.exe 1472 powershell.exe 3408 powershell.exe 4160 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1760 schtasks.exe 4404 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3224 powershell.exe 3224 powershell.exe 3432 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 3432 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 4776 powershell.exe 4776 powershell.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 1472 powershell.exe 1472 powershell.exe 3408 powershell.exe 3408 powershell.exe 4160 powershell.exe 4160 powershell.exe 2456 powershell.exe 2456 powershell.exe 2196 powershell.exe 2196 powershell.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 3924 csrss.exe 1876 injector.exe 3924 csrss.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 3924 csrss.exe 3924 csrss.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 3924 csrss.exe 3924 csrss.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe 1876 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3224 powershell.exe Token: SeDebugPrivilege 3432 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Token: SeImpersonatePrivilege 3432 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 1472 powershell.exe Token: SeDebugPrivilege 3408 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 2196 powershell.exe Token: SeSystemEnvironmentPrivilege 3924 csrss.exe Token: SeSecurityPrivilege 4480 sc.exe Token: SeSecurityPrivilege 4480 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3432 wrote to memory of 3224 3432 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 91 PID 3432 wrote to memory of 3224 3432 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 91 PID 3432 wrote to memory of 3224 3432 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 91 PID 2052 wrote to memory of 4776 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 96 PID 2052 wrote to memory of 4776 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 96 PID 2052 wrote to memory of 4776 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 96 PID 2052 wrote to memory of 4264 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 98 PID 2052 wrote to memory of 4264 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 98 PID 4264 wrote to memory of 400 4264 cmd.exe 100 PID 4264 wrote to memory of 400 4264 cmd.exe 100 PID 2052 wrote to memory of 1472 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 101 PID 2052 wrote to memory of 1472 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 101 PID 2052 wrote to memory of 1472 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 101 PID 2052 wrote to memory of 3408 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 104 PID 2052 wrote to memory of 3408 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 104 PID 2052 wrote to memory of 3408 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 104 PID 2052 wrote to memory of 3924 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 107 PID 2052 wrote to memory of 3924 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 107 PID 2052 wrote to memory of 3924 2052 74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe 107 PID 3924 wrote to memory of 4160 3924 csrss.exe 108 PID 3924 wrote to memory of 4160 3924 csrss.exe 108 PID 3924 wrote to memory of 4160 3924 csrss.exe 108 PID 3924 wrote to memory of 2456 3924 csrss.exe 114 PID 3924 wrote to memory of 2456 3924 csrss.exe 114 PID 3924 wrote to memory of 2456 3924 csrss.exe 114 PID 3924 wrote to memory of 2196 3924 csrss.exe 116 PID 3924 wrote to memory of 2196 3924 csrss.exe 116 PID 3924 wrote to memory of 2196 3924 csrss.exe 116 PID 3924 wrote to memory of 1876 3924 csrss.exe 118 PID 3924 wrote to memory of 1876 3924 csrss.exe 118 PID 3568 wrote to memory of 3160 3568 windefender.exe 124 PID 3568 wrote to memory of 3160 3568 windefender.exe 124 PID 3568 wrote to memory of 3160 3568 windefender.exe 124 PID 3160 wrote to memory of 4480 3160 cmd.exe 125 PID 3160 wrote to memory of 4480 3160 cmd.exe 125 PID 3160 wrote to memory of 4480 3160 cmd.exe 125 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe"C:\Users\Admin\AppData\Local\Temp\74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3224
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C:\Users\Admin\AppData\Local\Temp\74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe"C:\Users\Admin\AppData\Local\Temp\74dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1472
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3408
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4160
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1760
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:60
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2456
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2196
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1876
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4404
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3568 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:4480
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4912
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3968b9e1e4ad9620ab9ce49f438202e
SHA1231790ea0533921b2d0de3929a0a4a905d546f6a
SHA256d063d5defb3f91770648fbee6cdd331e8999c04003005075fa37f6de60bd7a2e
SHA51213e15c1745120bf9369dce075bd94e85e5a8def66263edec457f14b023fc1f766141c96a9d7ebb085e5825db97c4394f5257dcc01c9f84b9be9cb218ea5480ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a753a63f03b7b76a104d40888f5408b5
SHA1668942be7b3bd6cdbbc08650a88b603f78d1aab4
SHA256b6c5530b987675fe81f1b0721bb976fe9e0e006e2dc086e335d171b5735d8455
SHA512db916b6382b61ecf5fa5703b19b39682e7af047def603c6ed6e17a2f821dded49a21c153f86e9ff41f2f558681745dfd4732ef476674c5c801e3f57137f6ed2c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f8a0acb5b6204bfa0ba2db99c432487
SHA10146ec87810700b712b2d751224ffa8b0e4534b8
SHA2562a155868ef569f9d612882c2956440a60bcee63161894d49472ad968207e01fd
SHA5123bae9f81a5c5434b521ed0cd201ff5039949bd181de4410e91679f4a4d7b56833f7d7936509761c90cd5c331eaa9b8d0d8d334f95e8898dd7b1681f5d6861af6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb9aae8582965558ca8e6e903e9813ee
SHA16cc835967e3d46ce34b3f5997fbace62b9628ed5
SHA256eafd2ce16f65375c1266fd422eb08283890e367bd764e0a5ea29a3043622270b
SHA51265b902e50a1a8d676a6d278d98ca3328a34b3bf423b4a61b58c4716499be08a63d8963a1b1e643d3179a2a97f5648a950b6921a7a895f7430671c1718e0db444
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bdccd1e953e7c725eba595783c24f77c
SHA1d475a8a0ae97e61a95a4e88f9a2b8d1be2306287
SHA256c4c27a56def4dca21f27c6ea593c34a521f72febb0f40233552da25b4577063c
SHA5123a7f433b2e4b6db8157363ecc7ced9e97cd39c1682e534a376009ed61dbce3f6c0fe45e436df8b0e0534e6eeea19161ad9db1f3a5393ac9bef40b634ef12dd8a
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Filesize
4.1MB
MD52f07701648e73fca5b935d6a460abcd1
SHA1f8fd6b9e2c693389cd73615dffd961f86d66e6db
SHA25674dc452e6b3555798715adf240791f2a7ea6a631f5abd592c1c1399e9c98b36e
SHA512e055a9560751ca2e1c7c283fc6cf17302ebfa547b94c7ba62a76b8fc1b688c7362d31680f2c254bed3c370f4483340e14f1c851b1f765b5d0a0658a2eaf8ec8b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec